22121011110102 has 16 divisors (see below), whose sum is σ = 44865149294592. Its totient is φ = 7269815857640.

The previous prime is 22121011110083. The next prime is 22121011110167. The reversal of 22121011110102 is 20101111012122.

It is a happy number.

It is a super-2 number, since 2×22121011110102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25963627638 + ... + 25963628489.

It is an arithmetic number, because the mean of its divisors is an integer number (2804071830912).

Almost surely, 2^{22121011110102} is an apocalyptic number.

22121011110102 is an abundant number, since it is smaller than the sum of its proper divisors (22744138184490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22121011110102 is a wasteful number, since it uses less digits than its factorization.

22121011110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51927256203.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22121011110102 its reverse (20101111012122), we get a palindrome (42222122122224).

The spelling of 22121011110102 in words is "twenty-two trillion, one hundred twenty-one billion, eleven million, one hundred ten thousand, one hundred two".